Either you are overcome with despair because you assume you should be fluent in at least three programming languages by now, or you’re sceptical as to whether this “must-have”skill is all that necessary.

Big data is all the rage. Big data make decisions, it’s one of the hottest buzzwords (and plus points if you can use it), it looks stellar on a resume (if you know what to do with it) and it’s somehow laced into every business conversation.